Leptophis

The genus Leptophis belongs to the subfamily Colubrinae, of the family Colubridae. The species relationships within Leptophis can be shown in the cladogram below, with possible paraphyletic species identified: ==Description==

Snakes of the genus Leptophis are slender with a long tail. The body is cylindrical or slightly laterally compressed. The head is elongated and distinct from the neck. The eye is large with a round pupil. The dorsal scales are arranged in 15 rows at midbody. The maxillary teeth, which number 20–32, are in a continuous series without any interspace, and are longest posteriorly. Conversely, the mandibular teeth are longest anteriorly. ==Species and subspecies==

The following species and subspecies are currently recognized as being valid: • Leptophis ahaetulla – giant parrot snake • Leptophis bocourti • Leptophis bolivianus • Leptophis coeruleodorsus – Oliver's parrot snake • Leptophis cupreus – copper parrot snake • Leptophis depressirostris – Cope's parrot snake • Leptophis dibernardoi • Leptophis diplotropis - Pacific Coast parrot snake • Leptophis diplotropis diplotropis • Leptophis diplotropis forreri • Leptophis liocercus • Leptophis marginatus • Leptophis mexicanus – Mexican parrot snake • Leptophis mexicanus hoeversi • Leptophis mexicanus mexicanus • Leptophis mexicanus septentrionalis • Leptophis mexicanus yucatanensis • Leptophis modestus – cloud forest parrot snake • Leptophis mystacinus • Leptophis nebulosus – Oliver's parrot snake • Leptophis nigromarginatus - black-skinned parrot snake • Leptophis occidentalis • Leptophis praestans • Leptophis riveti – Despax's parrot snake • Leptophis stimsoni – Trinidad upland parrot snake • Leptophis urostictus ( Nota bene: A binomial authority or trinomial authority in parentheses indicates that the species or subspecies was originally described in a genus other than Leptophis. ==References==